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Home >> Mercedes Benz >> 2021 >> E53 AMG 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Exterior Trim >> Seats, Bunks, Restraint Systems - 238 Chassis (2 Of 4) >> Testing & Repair >> Remove/Install Pneumatic Pump For Multicontour Seat - AR91.25-P-1431LWO

Remove/Install Pneumatic Pump For Multicontour Seat - AR91.25-P-1431LWO

Model 238 

With Code 399 (Multicontour front seats with massage function) 

Fig 1: Pneumatic Pump For Multicontour Seat Components Location - Model 238 With Code 399
G15379385Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove front seat.   AR91.10-P-1000LW 
2 Disconnect electrical connection (2).    
3 Disconnect electrical connector (3) and remove from holder.    
4 Release cover at release catches (arrows) and remove.    
5 Remove front multicontour seat pneumatic pump (M25/8, M25/9) far enough that the pneumatic line (4) is accessible.    
6 Disconnect pneumatic line (4) and remove front multicontour seat pneumatic pump (M25/8, M25/9).    
7 Install in the reverse order